(yipping) thanks for the hair brushing. (yipping) (cougar screaming) we can't beat her in the short game for long. switch to marathon running! on your mark get set, go! chris: she's tiring. a sprinter like her can't keep up the pace for long. now we've got the cougar beat because we wolves are marathoners. wow, i feel so light like i could run like this forever. that's the power of the wolf! (cawing) (cawing) amazing. we've only been wolves for two minutes and already a raven has found us. well if he found us, he can find other wolves. and maybe lead us right to little howler's pack! (howling) follow that raven! follow the wolf brothers following that raven! martin: this is awesome. it's like i'm wolf man and the raven is my sidekick. maybe the raven thinks it's the other way around. but either way, because wolves and ravens are so tight i don't think it'll be too long before this raven leads us right to the pack's new... den site! uh-oh. we forgot to consider one very important point of wolf behavior. a wolf pack doesn't l